Johnson & Evinrude 1986-2006 90-140 HP BigFoot Outboard Gearcase Parts Diagrams

This page features a complete selection of high-quality replacement parts for the Johnson & Evinrude 4-cylinder “Big Foot” lower units rated 90–140 HP, covering model years 1986 through 2006. Whether you’re performing a complete rebuild or need individual components, you’ll find everything you need—including gearsets, bearing kits, seals, clutch dogs, propshafts, thrust washers, and more—from trusted brands like Red Rhino, EMP, and Pro Marine. Each listing is detailed and OEM-compatible, with the option to choose from rebuild kits, individual components, and complete gear sets. Navigate easily through parts diagrams and rebuild category filters to locate what fits your engine model quickly.

The following parts correspond to the numbers on the diagram above: 

1. Driveshaft Thrust Bearing
2. Pinion Bearing
3. Forward Thrust Bearing
4. Reverse Thrust Bearing
5. Reverse Gear Bearing
6. Rear Carrier Bearing
7. Shift Housing w/Bearing
8. (Not Pictured)
9. Clutch Dog
10. Clutch Dog Spring
11. Clutch Dog Pin
12. Gear Set
13. Upper Driveshaft 1995-2003 60° 20" / Upper Driveshaft 1995-2003 60° 25" / Upper Driveshaft 1992-2003 90° Looper 20" / Upper Driveshaft 1992-2003 90° Looper 25"
14. Lower Driveshaft
15. Propshaft
16. Driveshaft Thrust Washer
17. Forward Thrust Washer
18. Reverse Gear Thrust Washer
19. Pinion Nut
20. Driveshaft Bearing Housing
21. Bearing Carrier
22. Bearing Carrier Retainer Tab
23. Bearing Carrier Zinc Anode
24. Propeller Thrust Washer
25. Propshaft Oil Seal
26. Lower Unit Lever
27. Shift Shaft
28. Shift Cradle
29. Driveshaft Pin
30. Driveshaft Retainer
31. Shim Kit 
32. Driveshaft Bearing O-ring
33. Driveshaft Oil Seal
34. Water Intake Screen
35. Flat Blade Drain Screw, Drain Screw Gasket
36. Trim Tab - STD
37. Gearcase Block Anode
38. Water Pump Kit w/Housing
39. Seal Kit
40. Prop Nut Spacer
41. Prop Nut Kit
42. Cotter Pin

We also offer a complete 1979-1991 Bearing Kit or 1992-2004 Bearing Kit!